Voters in Colorado support only one of four statewide measures on the November ballot, according to a Denver Post poll released Thursday.

The poll, done by SurveyUSA, is the last one ahead of Election Day on Tuesday. It has a margin of error of 4 percentage points.

On Proposition 104, which would require that collective bargaining meetings between school boards and teachers’ unions be public, 61 percent of people surveyed said they are in favor of it, 24 percent said no and 15 percent were undecided.

Amendment 68, which would allow for casinos at horse racing tracks, saw little support, with 63 percent of people saying they would vote no, 32 percent in favor and 5 percent not certain.

The so-called “Personhood” measure — Amendment 67 — would protect pregnant women and unborn children by defining “person” and “child” in the Colorado criminal code and the Colorado wrongful death act to include unborn human beings. That amendment was also failing, according to the poll, with 54 percent saying no, 32 percent yes and 14 percent undecided.

Proposition 105 was behind as well. It would require that some foods have labels including genetically modified ingredients. According to the poll, 59 percent were against it, 34 percent in favor and 8 percent were not certain.

Political consultant Floyd Ciruli said he was not surprised by any of the polling results. The personhood measure never really had a chance, he said.

“We know it was going to lose,” Ciruli said.

The one measure that could have had a chance of passing, Ciruli said, was the food-labeling proposal. But those against it have spent a large amount of money for ads while proponents have been fairly silent, he said.

Carlos Illescas had been with The Denver Post since 1997 before leaving in June 2016. He had worked as a reporter covering the suburbs and was a weekend editor. He previously worked for the Fort Worth Star-Telegram and the Aspen Daily News and graduated from Colorado State University in 1991.

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